ZIP code 73503
Where is ZIP code 73503?
Fort Sill, Oklahoma
Comanche County · Standard ZIP code
ZIP code 73503 belongs to Fort Sill, Oklahoma in Comanche County. 73503 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 580. About 11,468 people live in the 73503 area, where the median household income is $60,859. The closest ZIP codes are 73507 (Lawton, 4 mi south), 73506 (Lawton, 4.6 mi southwest) and 73502 (Lawton, 5.1 mi south).
| ZIP code | 73503 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Fort Sill |
| Also accepted | Lawton |
| State | Oklahoma (OK) |
| County | Comanche County |
| Time zone | Central Time · now |
| Area code | 580 |
| Coordinates | 34.6811, -98.4034 map |
| 3-digit prefix | 735 |
Population and income in 73503
| Population | 11,468 · higher than 83% of Oklahoma ZIP codes |
|---|---|
| People per square mile | 155 · higher than 77% of Oklahoma ZIP codes |
| Median age | 21.7 years · lower than 99% of Oklahoma ZIP codes |
| Men / women | 61% / 39% |
| Median household income | $60,859 · higher than 56% of Oklahoma ZIP codes |
| Income per person | $23,318 |
| Below the poverty line | 8.4% |
| Bachelor’s degree or higher | 32% of adults 25+ |
| Median rent | $1,228 a month |
| Housing units | 1,848 |
| Households | 1,755 (3.82 people on average) |
| Owners / renters | 0.0% / 100% |
| Land area | 74.19 sq mi (plus 0.13 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 73503. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 73503
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 73507 | Lawton, OK | 4 mi S | Standard |
| 73506 | Lawton, OK | 4.6 mi SW | PO Box only |
| 73502 | Lawton, OK | 5.1 mi S | PO Box only |
| 73505 | Lawton, OK | 5.3 mi SW | Standard |
| 73538 | Elgin, OK | 6.3 mi N | Standard |
| 73501 | Lawton, OK | 6.5 mi S | Standard |
| 73557 | Medicine Park, OK | 6.5 mi NW | PO Box only |
| 73558 | Meers, OK | 12.2 mi NW | PO Box only |
| 73527 | Cache, OK | 12.9 mi W | Standard |
| 73541 | Fletcher, OK | 13.6 mi NE | Standard |
| 73543 | Geronimo, OK | 13.9 mi S | Standard |
| 73567 | Sterling, OK | 14.2 mi E | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 73503 or measure the distance to another ZIP code.
How to address mail to 73503
123 MAIN ST
FORT SILL OK 73503
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LAWTON as the city name for 73503. Adding the 4-digit ZIP+4 code (73503-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 73503?
- 73503 is a Fort Sill, Oklahoma ZIP code. Lawton is also accepted as the city name.
- What county is 73503 in?
- ZIP code 73503 is in Comanche County, Oklahoma.
- What time zone is ZIP code 73503 in?
- 73503 is in the Central Time zone (America/Chicago).
- What area code is 73503?
- Phone numbers in ZIP code 73503 use area code 580.
- What is the population of ZIP code 73503?
- About 11,468 people live in ZIP code 73503, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 73503?
- The median household income in 73503 is $60,859 a year, higher than 56% of Oklahoma ZIP codes.
- What ZIP codes are near 73503?
- The nearest ZIP codes to 73503 are 73507 (Lawton, 4 miles), 73506 (Lawton, 4.6 miles), 73502 (Lawton, 5.1 miles) and 73505 (Lawton, 5.3 miles).